fix: js package resolution

[pandeymangg]

What does this PR do?

fixes the types resolution bug with @formbricks/js package that makes it error out with module resolution not set to "bundler"

Fixes 2579

How should this be tested?

• Test A
• Test B

Checklist

Required

• [ ] Filled out the "How to test" section in this PR
• [ ] Read How we Code at Formbricks
• [ ] Self-reviewed my own code
• [ ] Commented on my code in hard-to-understand bits
• [ ] Ran pnpm build
• [ ] Checked for warnings, there are none
• [ ] Removed all console.logs
• [ ] Merged the latest changes from main onto my branch with git pull origin main
• [ ] My changes don't cause any responsiveness issues
• [ ] First PR at Formbricks? Please sign the CLA! Without it we wont be able to merge it 🙏

Appreciated

• [ ] If a UI change was made: Added a screen recording or screenshots to this PR
• [ ] Updated the Formbricks Docs if changes were necessary

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| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **formbricks-cloud** | ⬜️ Ignored ([Inspect](https://vercel.com/formbricks/formbricks-cloud/GqAdm3yEKefZb8LEHxFbnHgjhzwb)) | [Visit Preview](https://formbricks-cloud-git-fix-js-pkg-types-formbricks.vercel.app) | | Jun 6, 2024 8:47am | | **formbricks-docs** | ⬜️ Ignored ([Inspect](https://vercel.com/formbricks/formbricks-docs/FXWC5Ug4f7DzH3Ydf9Ay1WL7aPeK)) | [Visit Preview](https://formbricks-docs-git-fix-js-pkg-types-formbricks.vercel.app) | | Jun 6, 2024 8:47am |

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